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File:Bose QuietComfort 25 Acoustic Noise Cancelling Headphones with Carry Case.jpg - Wikimedia Commons
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Bose fends off claims 'noise cancellation-breaking' firmware update was intended for sly sales boost | ZDNet
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Easy Guide to REPAIR Broken BOSE QC25 Headphones - NO SOUND From One Ear : 5 Steps (with Pictures) - Instructables
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